Series KF
Power Wirewound Resistors
axial, circuit breaker, ceramic case, fibre glass core
Specifications
Type
Power rating
P
25
P
70
W
Ω
KF206-4
2,5
1,2
KF208-4 KF210-4 KF212-4 KF214-4 KF216-4 KF218-4
3,0
1,5
4,5
2,5
3,5
2,0
5,0
3,0
7,0
4,0
11
6,0
Resistance range
E-Series
Tolerances
Temperature coefficient
max. cont. work. voltage
Insulation voltage (1min.)
Insulation resistance
Derating linear
Climatic category
Temperature range
Failure rate
(Total,
ϑ
o
, max., 60% conf. lev.)
Endurance
(P
70
, 70
o
C, 1000h)
Damp heat, steady state
(40
o
C, 93% r.h., 56d)
Climatic sequence
Terminal strength
Terminal tensile strength
Resistance to soldering heat
(260
o
C, 10s)
Solderability
Marking
see page 2
E 24 (5%), E 12 (10%)
%
10
-6
* K
-1
V
RMS
V
RMS
Ω
o
± 5, ± 10
- 80 ... + 500
√
P
70
· R for all styles
2000
> 10
4
M
C
see Table Temperature rise of solder joints
55/150/56
o
C
- 55 ... 150
10
-9
* h
-1
appr. 100, depends on value
[
∆R
]
%
R
[
∆R
]
%
R
[
∆R
]
%
R
[
∆R
]
%
R
N
± 3,0 average
± 2,0
± 2,0
± 1,0
50
[
∆R
]
%
R
s
± 0,2 typ.
2,5 Flowtime; solderglobule test IEC 60068-2-20-T
Printed in clear
Revision 200807
VITROHM PORTUGUESA, Lda. - Est.Nacional 249-4, Trajouce - 2765-653 S. Domingos de Rana - PORTUGAL
Tel: + 351 214 457 700 -Fax: + 351 214 457 755 -Germany Sales Tel: + 0049 4121 870 103 - e-mail:vitrohm.support@yageo.com - www.vitrohm.com
Series KF
Dimensions in mm:
212...218
206...210
type 206-4 / 208-4
[s]
[s]
type 214-4
P
max
200
200
fusing time
100
50
20
10
6
3
5
10
20
50
100 200
[W]
fusing time
100
50
20
10
6
3
5
10
20
50
100 200
[W]
power rating
type 210-4
[s]
[s]
power rating
type 216-4
P
max
P
max
3
5
10
20
50
100 200
200
200
fusing time
fusing time
[K]
100
50
20
10
6
3
5
10
20
50
100 200
[W]
100
50
20
10
6
[W]
temperature rise
100
type 212-4
[s]
power rating
type 218-4
[s]
power rating
P
max
P
max
3
5
10
20
50
50
fusing time
200
100
50
20
10
6
3
5
10
20
50
200
fusing time
100
50
20
10
6
100 200
[W]
0
2
4
6
8
10
12
[W]
100 200
[W]
power rating
power rating
power rating
Type
KF206-4
KF208-4
KF210-4
KF212-4
KF214-4
KF216-4
KF218-4
Resistance range
Min
Max
0R1
0R15
0R33
0R15
0R33
0R51
0R91
9K1
15K
33K
15K
33K
47K
82K
L
1
20
±
1,0
25
±
1,0
38
±
1,0
25
±
1,0
38
±
1,0
50
±
1,5
75
±
2,0
Ø
d
0,6
0,6
0,8
0,6
0,8
0,8
0,8
Packaging:
Type
KF206-4
KF208-4
KF210-4
KF212-4
KF214-4
KF216-4
KF218-4
Packaging
bulk
bulk
bulk
bulk
bulk
bulk
bulk
Pieces
100
100
100
100
100
100
100
Pack.-Code
B
B
B
B
B
B
B
Ordering example:
KF212-4
Type
5
Tolerance
B
Pack.-Code
1K
R-Value
Revision 200807
VITROHM PORTUGUESA, Lda. - Est.Nacional 249-4, Trajouce - 2765-653 S. Domingos de Rana - PORTUGAL
Tel: + 351 214 457 700 -Fax: + 351 214 457 755 -Germany Sales Tel: + 0049 4121 870 103 - e-mail:vitrohm.support@yageo.com - www.vitrohm.com
P
max
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